|Table of Contents|

Influence of NaCl on Photosynthesis and Alkaloids in Pinellia ternatat

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年04
Page:
115-121
Research Field:
Publishing date:

Info

Title:
Influence of NaCl on Photosynthesis and Alkaloids in Pinellia ternatat
Author(s):
LIU Jia1; WU Nengbiao2
(1.Medical School,Xi′an Peihua University,Xi′an,Shaanxi 710000;2.Key Laboratory of Eco-environments in Three Gorges Reservoir Region,Ministry of Education/School of Life Science,Southwest University,Chongqing 400715)
Keywords:
Pinellia ternatat; NaCl stress; alkaloid; chlorophyll fluorescence
PACS:
-
DOI:
10.11937/bfyy.20192085
Abstract:
Taking Pinellia ternatat as materials,the influences of diffferent concentrations of NaCl (CK:0 μmol·L-1,T1:25 μmol·L-1,T2:50 μmol·L-1,T3:100 μmol·L-1,T4:150 μmol·L-1,T5:200 μmol·L-1) on photosynthesis and alkaloids were studied.The results showed,compared with CK,the contents of malondialdehyde(MDA) was significantly increased with the NaCl treatment except for T1 treatment,all the treatments coulld be significantly increased the contents of soluble sugar;and the contents of chlorophyll a,b and total chlorophyll in leaves were significantly decreased with the treatments of T2—T5 compared with the CK while there was no significant difference between T1 treatment and control;and overall trend of Fo were decreased first and then increased with the increase of NaCl concentration,the ratio of Fv/Fm decreased significantly when treated with T3 and T5.At the same time,T3,T4 and T5 treatments significantly decreased compared with the CK of the value of ETR and NPQ.Thus,except for T1 treatment,the yield value was reduced by all the other treatments;lastly,with the increase of NaCl concentration,the contents of total alkaloids first decreased and then increased,and a turning point occurred during T3 treatment.It could be seen that different concentrations of NaCl stress had effects on the indexes determined in Pinellia ternata,and affect the content of alkaloids by affecting physiological indexes and photosynthesis.

References:

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Last Update: 2020-03-30